S.M.A.R.T. Test Scheduler -- You can now perform S.M.A.R.T. tests according to your individual schedule. For example, S.M.A.R.T.tests can be scheduled to run monthly or automatically test all of the disks in your DiskStation.

SMB2 protocol support for Windows File Service -- SMB 2 protocol has general improvements to allow for better network utilization. This feature is not available on DS109j and DS209j.

Large MTU Support for SMB2. The Large MTU (maximum transmission unit) option allows users to utilize the network capabilities better and achieve faster transferring speed. You can enable this option through a registry key on Windows computers. This feature is not available on DS109j and DS209j.

AFP (Apple File Protocol) performance enhancements -- The speed of file transfers to the DiskStation has improved up to 52%. The following is a comparison between DSM 4.1 and DSM 4.2.

Network Backup, rsync, and Shared Folder sync -- The performance of these feature has been generally improved when transferring large numbers of folders and files. The following is a comparison between DSM 4.1 and DSM 4.2.

File Station

Single Page of Files -- You can now browse up to 1000 files on one single page.

Thumbnail View -- Files and pictures can be displayed as large icons or thumbnails of pictures, if available.

TFTP & PXE -- You can now set up your DiskStation as a TFTP server, allowing clients to retrieve system boot images via TFTP and implement Pre-Boot Execution Environment (PXE). PXE settings are not available on DS109j and DS209j.

Package Center

New Design for App Discovery -- You can now browse packages by categories or search for specific packages. Screenshots are included to give you a preview of the app before installing them.

Transaction platform -- Paid and trial versions of packages are available in the new Package Center. Please note, you will need a MyDS Center account in order to purchase paid apps.

More Apps for Enterprise Users -- Enterprise users can now enjoy more features of DSM with LDAP or AD accounts. Supported packages includes Cloud Station, Audio Station, Video Station, Mail Server, and Mail Station. Not available on DS109j and DS209j.

Task Scheduler

Automate Tasks -- Task Scheduler allows you to schedule and run tasks at pre-defined times. Tasks include running user-defined scripts, cleaning the Recycle Bin on a regular basis, and starting and stopping services, among others.

Disk Usage Report

Easily Monitor Storage Usage -- The disk usage report feature displays the following information: the outstanding storage usage of users, the status of volume usage, trends based on past usage, the percentage of disk space that each file type occupies, the size of shared folders, and the largest, most, least frequently modified files.

Stream music with Bluetooth -- You can to connect multiple USB Bluetooth adapters to your DiskStation and connect to A2DP Bluetooth devices, such as speakers or headphones in order to easily stream music stored on your DiskStation. Not available on DS109j and DS209j.

DDNS

Support for Multiple DDNS Hosts -- More than one DDNS provider can now be set up and saved at the same time.

QuickConnect

More Mobile Support -- QuickConnect now supports more mobile apps, including DS photo+, DS audio, and DS cloud.

Network Printer Support -- DSM now supports LPR, IPP, Socket, and BJNP network printers and can share them over the network via AirPrint, Cloud Print, LPR, CIFS, IPP protocols. Windows users can set up network printers shared by DiskStation with the beta version of Synology Assistant.

Wi-Fi Hotspot Enhancements

WPA2 Enterprise -- Users can be authenticated by an external RADIUS server when connecting to the wireless hotspot of your DS213air.

Wi-Fi Scheduled On/Off -- Save energy by setting a schedule to automatically turn the wireless hotspot on and off.

Guest Network -- You can prohibit guests from accessing the local network, seeing other devices, or visiting websites with ports other than default ones, so that the security of your network is never compromised.

These features are available on DS213air only

The desktop version of DSM on touch-enabled devices has been enhanced to support more touch events for Safari on iPhone, iPad and Chrome on Android devices.??

Application windows can be auto-maximized and auto-centered.

Users can use 3-finger gestures to switch between applications.

Users can long-press on items to right-click.

Supports double tapping items.

Misc.?

Apache has been upgraded to 2.2.23.

PHP has been upgraded to 5.3.18.

Perl is now a standalone package.

What’s New for Packages

Cloud Station

Unlimited shared folders can now be synchronized to different Cloud Station users on Windows PC or Mac clients.

Unlimited number of user accounts can be enabled.

The maximum file size for synchronization has been increased to 10 GB.

LDAP and domain accounts can now be used.

Resuming file transfers is supported.

The Cloud Station PC/Mac client will be updated to the latest version automatically in the background.

Maximum number of files which can be transferred at one time is as follows:

Antivirus by McAfee is a complete antivirus application which safeguards your DiskStation. It checks for updates automatically and lets you schedule virus scans when your DiskStation is not being used in order to consume less system resources.

Enhanced design to provide a cleaner, bigger, and more beautiful user interface.

Enhanced the mini player function to provide three display modes including minimum, playlist, and lyrics.

Supports streaming music from Audio Station over Bluetooth to A2DP (Advanced Audio Distribution Profile) devices, such as speakers or headphones. (DSM 4.2 required and not available on DS109j and DS209j)

Supports lyric plugins to search for lyrics on the Internet.

Video Station

Enhanced DTV functionality to support multiple DTV tuners, such as HD HomeRun, so that multiple channels can be watched and recorded simultaneously.

Added language preference selection when searching for video information on the Internet.

You can now create custom collections, watchlists, and favorites.

Added the feature to resume watching movies from the point you left off and list recently watched movies.

Video transcoding is now supported so you can adjust the playback quality of files based on your network environment and stream video more smoothly. Windows and Mac users can now play more video formats with Flash plugin (with specific hardware requirements).

Enhanced auto-extract functionality to detect all archived files in a folder and extract all files with supported extensions.

Enhanced functionality to support downloading Thunder, Flashget, and QQDL tasks.

Java Manager & Tomcat

Java Manager helps you to install JDK and JRE on your DiskStation to run business applications.

Tomcat is an open source software implementation of the Java Servlet and JavaServer Pages (JSP) technologies. It is a web server not limited to serving up static web pages, but can also generate dynamic results in response to user requests by executing Java servlets and rendering web pages.

What’s New for Desktop Utilities

Cloud Station for Windows and Mac clients has been upgraded to be compatible with the newest version of DSM Cloud Station.

Added auto update to seamlessly upgrade the program in the background.

Synology Assistant

Users can now set up network printers connected to DiskStation on a Windows PC.

Photo Station Uploader

Photo Station Uploader is a Windows app for bulk uploading photos and videos to Photo Station. It creates thumbnails and converts videos to playable and high quality formats using the processing power of your computer instead of consuming the system resources of your DiskStation.

Integrated with the context menu in Windows File Explorer so that you can upload photos by right-clicking.

What’s New in Mobile Apps

DS video for Android and Windows Phone

DS video allows you to stream your Video Station library on your DiskStation to your mobile device. It also sorts your video contents by movies, TV shows, Home videos as well as recorded programs to make browsing your library all the more convenient.

DS cloud for iOS and Android

DS cloud is counterpart to Cloud Station and allows you to choose the folders on your DiskStation which you want to sync to your mobile device and make available offline. DS cloud also gives you more control over the sync criteria, allowing you to set the maximum file size and file formats that you wish to sync.

DS photo+ for iOS

Photos and videos on your iPhone/iPad can be automatically uploaded to your Photo Station using instant upload.

Offline viewing now allows you to download albums to the iPhone/iPad to view them even when no network connection is available.

DS download for Android phone and tablets

DS download allows you to access Download Station remotely from your iPhone and Android devices: you can view your download task list and the information about an individual task, as well as pause, resume or delete tasks.

Known Issues

Cloud Station

If any syncing event is triggered by a client when the maximum current connection is fully occupied, the Cloud Station client will be disconnected. The connection will be re-connected automatically when there is one or more available connections.